Diane Olson and Robin Tyler

Barbara Davidson / Los Angeles Times

Diane Olson, left, and her spouse, Robin Tyler, stand with Gloria Allred after the lawyer announced a lawsuit against Proposition 8, which banned same-sex marriage in California. Allred had represented the couple in a 2004 lawsuit that was the first to legally challenge the prohibition on gay marriage in the state.

Diane Olson, left, and her spouse, Robin Tyler, stand with Gloria Allred after the lawyer announced a lawsuit against Proposition 8, which banned same-sex marriage in California. Allred had represented the couple in a 2004 lawsuit that was the first to legally challenge the prohibition on gay marriage in the state. (Barbara Davidson / Los Angeles Times)

Diane Olson, left, and her spouse, Robin Tyler, stand with Gloria Allred after the lawyer announced a lawsuit against Proposition 8, which banned same-sex marriage in California. Allred had represented the couple in a 2004 lawsuit that was the first to legally challenge the prohibition on gay marriage in the state.